Advanced yield trial on sweet potato
2007
Tumapon, A.S. | Salvani, J.B. | Cagbabanua, M. | Lanpoot, C.R. | Maghanoy, C.C. Jr., Department of Agricultural-RFU 10 Northern Mindanao Integrated Agricultural Research Center, Dalwangan, Malaybalay City 8700. Mindanao (Philippines)
Seventeen lines/varieties of sweet potato from Philrootcrops, University of Southern Mindanao, University of the Philippines, BPI, La Granja and Benguet State University were tested at Northern Mindanao Integrated Agricultural Research Center (NOMIARC), Dalwangan, Malaybalay City to evaluate adaptability and yield performance of these lines/varieties for regional as well as national recommendation, and to assess processing potential and eating quality. Results revealed that during the wet season, lines JK-02-20-3 and SG-99-09-02 exhibited the highest total yield of 49.5 and 47.03 tons/ha, followed by JK 02-20-4 with 31.1 tons/ha which got the biggest tuber of 406.3 grams. The highest Dry Matter Content (DMC) of 48 percent was obtained in SG-02-34-01. However, during the dry season, yield obtained was low. USM SP-22-77 and JK-02-20-3 obtained the highest yields of 22.53 and 21.97 tons/ha, respectively. This was followed by JK-02-20-3 of 21.97 tons/ha. JK-027 (NSIC SP 30) got the highest Dry Matter Content of 43 percent. As to eating quality, USM 1378 were generally accepted by the consumer, SG-99-09-02 showed the Sweetest (wet season) while during dry season, JK 027 (NSIC SP 30) was generally accepted by the consumer followed by USM Sp 22-17 and USM 1378. Cost ans return analysis showed that JK-02-20-3 obtained high net return of P216,600.00 (wet season) and USM SP 22-17 got P63,200.00 (dry season).
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